News Releases

New York, May 19, 2009 - NYSE Technologies, the innovative commercial technology unit of NYSE Euronext, and 4th Story have entered into an agreement to make 4th Story’s customizable modular algorithmic trading strategy software available as a hosted service within NYSE Technologies’ Secure Financial Transaction Infrastructure® (SFTI®) Integrated Partner Solutions platform.

The relationship will create a completely hosted and fully managed offering that includes the key components of an algorithmic trading environment, including low-latency depth of book market data via NYSE Technologies’ SuperFeedSM and a FIX messaging infrastructure with optional mutli-market risk management tools via NYSE Technologies’ SFTI Sponsored Market AccessSM.

“Working with 4th Story highlights our commitment to bringing the kinds of electronic trading services previously enjoyed by a select few to a much broader audience of users,” said Murray White, Senior Vice President, NYSE Technologies. “4th Story is a natural partner for us as we begin working with customers to implement this highly-accessible technology. This collaboration promises to add considerable value for any size firm connected to our SFTI network and our innovative SFTI Integrated Partner Solutions environment.”

“This joint effort allows firms to get into algorithmic trading with an approachable, comprehensive, best of breed solution,” said Steve Smith, 4th Story’s CEO. “In addition, our flexible platform and consultative, highly customer-focused approach means that firms can easily tailor their algorithms to their needs, or those of their customers, to compete more effectively. 4th Story is excited to work with NYSE Technologies to bring this carefully developed, intelligently-designed solution to the marketplace.”

The NYSE Technologies-4th Story solution provides customers with a hosted service that provides speed of deployment, pre-integration of service components and a commercial model well-suited to firms need interested in adding the strategy-based execution and algorithmic trading services that to allow firms to better compete in today’s highly-competitive, low latency trading environment. The SFTI Integrated Partner Solutions platform offers a FIX infrastructure, complete with risk management tools and a broad, comprehensive network for service distribution with access to trading venues and counterparties while ensuring that customers can utilize one of the world’s fastest, most secure networks for accessing global liquidity.

About NYSE Technologies
A division of NYSE Euronext (NYX), NYSE Technologies is a leader in providing innovative software, market data products and data management applications, connectivity solutions, exchange technology, and transaction solutions for trading firms, vendors and financial markets around the world. NYSE Technologies offers one of the most comprehensive suites of high quality commercial technology products that includes advanced messaging platforms, co-location services, ultra-low latency order routing and a one-of-a-kind hosted network community, all designed to enable the free flow of liquidity for the global marketplace. This division operates four units: the Global Connectivity unit, offering one of the world's largest, most reliable financial transaction networks connecting firms and exchanges worldwide; the Trading Solutions unit, which creates and implements high performance, end-to-end messaging software and real-time market data distribution and integration products; the Exchange Solutions unit, which provides multi-asset exchange platform services, managed services and expert consultancy; and the Global Market Data unit, which offers a broad array of global market information products covering multiple asset classes. With offices across the U.S. , Europe , Singapore and Japan , NYSE Technologies' advanced integrated solutions for a wide range of services has earned the ability to power the trading operations of global financial institutions and exchanges. For additional information visit: http://www.nyse.com/technologies

Cautionary Note Regarding Forward-Looking StatementsThis press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include, but are not limited to, statements concerning NYSE Euronext’s plans, objectives, expectations and intentions and other statements that are not historical or current facts. Forward-looking statements are based on NYSE Euronext’s current expectations and involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied in such forward-looking statements. Factors that could cause NYSE Euronext’s results to differ materially from current expectations include, but are not limited to: NYSE Euronext’s ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk and U.S. and global competition, and other factors detailed in NYSE Euronext’s reference document for 2007 ("document de référence") filed with the French Autorité des Marchés Financiers (Registered on May 15, 2008 under No. R. 08-054), 2008 Annual Report on Form 10-K and other periodic reports filed with the U.S. Securities and Exchange Commission or the French Autorité des Marchés Financiers. In addition, these statements are based on a number of assumptions that are subject to change. Accordingly, actual results may be materially higher or lower than those projected. The inclusion of such projections herein should not be regarded as a representation by NYSE Euronext that the projections will prove to be correct. This press release speaks only as of this date. NYSE Euronext disclaims any duty to update the information herein.